GLOBALMalwareEnergy & UtilitiesUtilitiesRansomwareDirewolfRansom DemandedActor NamedData ExfiltratedHigh
Tepco-Group
bd_553a262a476c0250 · schema v1 · pii pii-v1
Full breach record for Tepco-Group →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Direwolf on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Group activity: EnergyClaimed data size: 300GBDiscovered: 2026-01-13
Source: Ransomware.live
Post text · scraped from the leak site
Electronics
Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident
No regulatory filing corroborates this yet. If an SEC 8-K, state-AG notice, or victim statement lands, DisclosureLens will merge it into an incident and link it here.
Source provenance
- Source URL
- https://www.ransomware.live/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Jan 13, 2026
- Raw hash
- 925134dfed47f696613d0a6f5b08e621587de6638e77015005c820f4e7383d89
Reporting entity
- Name
- direwolf
Victim entity
- Name
- Tepco-Groupnorm: tepco group
- Domain
- tepco-group.com
- Industry
- Energy & Utilities
What this source establishes
- Source ceiling
- A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
- Attack vector
- Ransomware· direwolf
- Threat actor
- DirewolfExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.